permissionpanel.java

来自「aglet的部分源码」· Java 代码 · 共 105 行

package com.ibm.aglets.tahiti;

/*
 * @(#)SecurityConfigDialog.java
 * 
 * IBM Confidential-Restricted
 * 
 * OCO Source Materials
 * 
 * 03L7246 (c) Copyright IBM Corp. 1996, 1998
 * 
 * The source code for this program is not published or otherwise
 * divested of its trade secrets, irrespective of what has been
 * deposited with the U.S. Copyright Office.
 */

import java.awt.Button;
import java.awt.Checkbox;
import java.awt.Dialog;
import java.awt.Event;
import java.awt.Font;
import java.awt.Choice;
import java.awt.Frame;
import java.awt.CardLayout;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.awt.Label;
import java.awt.List;
import java.awt.Panel;
import java.awt.TextField;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import java.util.Vector;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.StringTokenizer;

import java.io.File;
import java.io.IOException;

import java.security.Policy;
import com.ibm.aglets.security.PolicyDB;
import com.ibm.aglets.security.PolicyFileReader;
import com.ibm.aglets.security.PolicyFileWriter;
import com.ibm.aglets.security.PolicyGrant;
import com.ibm.aglets.security.PolicyPermission;
import com.ibm.aglets.security.PolicyFileParsingException;

import com.ibm.awb.misc.URIPattern;
import com.ibm.awb.misc.MalformedURIPatternException;
import com.ibm.awb.misc.Resource;

class PermissionPanel extends EditorPanel {
	protected static final String LABEL_ACTIONS = "Actions";
	private static final int LENGTH_ACTIONS = 15;

	protected TextField actions = new TextField(LENGTH_ACTIONS);

	public static final PolicyPermission toPermission(String className, 
			String text) {
		PolicyPermission permission = null;

		try {
			permission = new PolicyPermission(className);
		} catch (ClassNotFoundException excpt) {
			return null;
		} 
		if (permission != null) {
			Vector args = toVector(text);
			final int num = args.size();
			int idx = 0;

			for (idx = 0; idx < num; idx++) {
				final String str = (String)args.elementAt(idx);

				switch (idx) {
				case 0:
					if (str != null &&!str.equals("")) {
						permission.setTargetName(str);
					} 
					break;
				case 1:
					if (str != null &&!str.equals("")) {
						permission.setActions(str);
					} 
					break;
				}
			} 
			try {
				permission.create();
			} catch (PolicyFileParsingException excpt) {
				return null;
			} catch (SecurityException excpt) {
				return null;
			} 
		} 
		return permission;
	}
}